Chalcogen, Quaternary, Hg-x polyhedra, Orthorhombic

• H-Hg-N-O
• Ag-Ge-Hg-Se
• Cu-Hg-I-S
• Br-Cd-Hg-S
• Ag-Hg-S-Sn
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• thermal expansion
• electrical conductivity
• transitional
• chalcogen
• quaternary
• non-disordered